Home / 109,333.40-163,901.68-39,196.31

Finding the Fourth Proportional to 109,333.40, 163,901.68 and 39,196.31

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Solution

The fourth proportional to 109,333.40, 163,901.68 and 39,196.31 is: 58,759.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,333.40 : 163,901.68 = 39,196.31 : x
  2. Step 2: Convert to fraction form
    109,333.40/163,901.68 = 39,196.31/x
  3. Step 3: Cross multiply
    109,333.40x = 163,901.68 × 39,196.31
  4. Step 4: Simplify right side
    109,333.40x = 6,424,340,141.30
  5. Step 5: Solve for x
    x = 6,424,340,141.30/109,333.40
  6. Step 6: Final answer
    x = 58,759.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.